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3D Printed Functionalized Nanocellulose as an Adsorbent in Batch and Fixed-Bed Systems
Mohd Shaiful Sajab1,2, Wan Nazihah Liyana Wan Jusoh1,2, Denesh Mohan1,2
1Research Center for Sustainable Process Technology (CESPRO), Faculty of Engineering and Built Environment, Universiti Kebangsaan Malaysia, Bangi 43600, Selangor, Malaysia.
Polymers
|February 28, 2023
Summary
This study demonstrates that 3D printed functionalized nanocellulose exhibits excellent adsorption and regeneration capabilities. The pseudo-second order model best describes the adsorption kinetics, highlighting its potential for efficient contaminant removal.
Area of Science:
- Materials Science
- Environmental Science
- Chemical Engineering
Background:
- Nanocellulose, a derivative of cellulose, offers tunable surface properties for advanced applications.
- Developing efficient and regenerable adsorbents is crucial for environmental remediation.
- 3D printing technology enables the creation of complex structures with tailored functionalities.
Purpose of the Study:
- To investigate the adsorption performance of 3D printed functionalized nanocellulose.
- To evaluate the regeneration capabilities of the developed adsorbent using Fenton oxidation.
- To analyze adsorption kinetics and isotherms for batch and fixed-bed column systems.
Main Methods:
- Functionalization of nanocellulose and its incorporation into 3D printed structures.
- Batch and fixed-bed column adsorption experiments were conducted.
- Adsorption kinetics were modeled using pseudo-first order, pseudo-second order, and intraparticle diffusion models.
- Adsorption isotherms were analyzed using Langmuir and Thomas models.
- Regeneration studies were performed utilizing Fenton oxidation.
Main Results:
- The pseudo-second order kinetic model provided the best fit for adsorption data.
- Langmuir and Thomas models were applied to batch and fixed-bed column adsorption.
- The 3D printed nanocellulose column demonstrated effective regeneration over five cycles.
- A slight reduction in adsorption capacity was observed after multiple regeneration cycles.
Conclusions:
- 3D printed functionalized nanocellulose shows promising adsorption and regeneration properties.
- The material is suitable for applications requiring efficient and reusable adsorbent systems.
- Further optimization could enhance long-term performance and reduce capacity loss during regeneration.
